Johnson & Johnson (JNJ) down 1.6% and Pfizer (PFE) down 2.1% AH as the companies put a halt...

Johnson & Johnson (JNJ) down 1.6% and Pfizer (PFE) down 2.1% AH as the companies put a halt on studies of Alzheimer's drug bapineuzumab, which they were developing together but which left execs "disappointed."